Radiator and valve repairs, power flushing and water-leak detection. Practical support for the water side of your heating system, across North-West London, Surrey and Berkshire.
24/7 emergency attendance, subject to availability and location. Call-out fees apply.
Water leaking right now? What to do
We repair and replace radiators and valves, investigate heating-system water leaks, repair water-based pipework and provide power flushing. Gas appliances and boilers are outside our service scope.
Repair and replacement of radiators and radiator valves, plus repairs to leaking or damaged pipework serving radiators.
Investigation of visible and hidden water leaks affecting water-based heating pipework.
Power flushing for water-based heating systems, helping clear accumulated sludge and improve circulation through the system.
24-hour attendance is available for urgent water-based heating-pipework leaks, subject to engineer availability and location.
The first hour includes the call-out. Materials are charged separately. Primeline is not VAT registered.
Then £40 per additional half-hour.
First-hour minimum, including the call-out.
| After 5pm | £150 / hour |
|---|---|
| After 9pm | £250 / hour |
Confirm the applicable attendance rate and any job-specific charges when booking.
Radiators, valves, water-based pipework, power flushing and related water leaks. We do not undertake gas or boiler work.
From a leaking radiator connection to damaged pipework, we investigate the water side of your heating system and explain the repair.
Our heating services cover water-based pipework, radiators, valves and power flushing. Gas appliances and boilers are outside our scope.
See Primeline’s job photographsTell us what is happening and where the property is. We will assess the pipework problem and explain the next step.
Describe the leak or pipework problem, when it started and whether the job is urgent.
Primeline checks the affected water-based heating pipework and identifies the likely source.
Once the problem is understood, we can carry out the appropriate water-pipework repair.
Water-based heating pipework repairs and heating-system leak detection across our core service areas, with surrounding locations covered depending on the job.
Heating pipework support for domestic and commercial properties across Wembley and surrounding boroughs.
Water-based heating pipework and leak support across Camberley and the surrounding region.
For urgent water leaks, calling is the fastest way to reach us. Call-out fees apply and same-day attendance is subject to availability.
Put safety first. Keep clear of water-affected electrics before trying to stop a leak.
If you know where your internal stop tap is and can reach it safely, close it gently. Never force a stuck valve or enter standing water to reach it.
Do not use water-affected sockets or appliances, touch exposed wiring, or touch a wet or damaged fuse box. A registered electrician should check affected electrics before they are used again.
For urgent water leaks, call 020 3488 1229. Tell us the job postcode, where water is escaping and whether the supply is off. Attendance depends on engineer availability and location; call-out fees apply.
Further guidance: WaterSafe water-leak advice · Electrical Safety First flooding advice.
Primeline repairs water-based heating-system pipework, repairs or replaces radiators and valves, provides power flushing and investigates related water leaks. We do not undertake gas work or boiler work.
Yes. Primeline repairs and replaces radiators and radiator valves, as well as the water-based pipework serving them.
Yes. Primeline provides power flushing for water-based heating systems.
Yes. Primeline provides leak investigation for water-based heating pipework and can recommend the appropriate repair once the source is identified.
Yes. Primeline offers 24-hour emergency attendance, including overnight call-outs, subject to availability and location.
Yes. We support domestic and commercial properties, including landlords, letting agents and property managers.
The standard rate is £80 for the first hour, including the call-out, then £40 per additional half-hour. The rate is £150 per hour after 5pm and £250 per hour after 9pm. Materials are separate and Primeline is not VAT registered.
For urgent heating-pipework leaks, calling is the fastest way to reach us. For non-urgent work, send the details below.